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Showing 1-30 of 42 results for "370959" within Papers
Aiguo Wang et al.
Bioresource technology, 268, 505-513 (2018-08-17)
Maximizing the production of aromatic hydrocarbons from lignin conversion by coupling methane activation without solvent was investigated over Zn-Ga modified zeolite catalyst. The co-loading of Zn and Ga greatly improves lignin conversion, arene yield along with BTEX (i.e., benzene, toluene
Thiranan Kunanopparat et al.
Journal of agricultural and food chemistry, 57(18), 8526-8533 (2009-08-25)
The effect of Kraft lignin (KL) on wheat gluten (WG) network formation during biomaterial processing was investigated. Gluten plasticized with glycerol was blended with a variable content of KL and processed into material by mixing and hot molding. The effect
Dong Tian et al.
Biotechnology for biofuels, 10, 157-157 (2017-06-27)
Current single-stage delignification-pretreatment technologies to overcome lignocellulosic biomass recalcitrance are usually achieved at the expense of compromising the recovery of the polysaccharide components, particularly the hemicellulose fraction. One way to enhance overall sugar recovery is to tailor an efficient two-stage
S Gouveia et al.
Bioresource technology, 121, 131-138 (2012-08-04)
The potential ability of the laccase from Myceliophthora thermophila, either alone or with low molecular weight (LMW) additives, to polymerise a dissolved lignin from Kraft liquor of eucalypt cooking was investigated. A previous study of enzymatic performance (activity and stability)
Vinay Khatri et al.
Biotechnology for biofuels, 11, 144-144 (2018-05-26)
Pretreatment of lignocellulosic biomass (LCB) is a key step for its efficient bioconversion into ethanol. Determining the best pretreatment and its parameters requires monitoring its impacts on the biomass material. Here, we used fluorescent protein-tagged carbohydrate-binding modules method (FTCM)-depletion assay
Colleen P MacMillan et al.
BMC genomics, 18(1), 539-539 (2017-07-20)
Knowledge of plant secondary cell wall (SCW) regulation and deposition is mainly based on the Arabidopsis model of a 'typical' lignocellulosic SCW. However, SCWs in other plants can vary from this. The SCW of mature cotton seed fibres is highly
Ram Chandra et al.
The Journal of general and applied microbiology, 54(6), 399-407 (2009-01-24)
Eight aerobic bacterial strains were isolated from pulp paper mill waste and screened for tolerance of kraft lignin (KL) using the nutrient enrichment technique in mineral salt media (MSM) agar plate (15 g/L) amended with different concentrations of KL (100
Tanja Berger et al.
Folia microbiologica, 66(1), 87-98 (2020-09-26)
The potential of the culturable bacterial community from an Alpine coniferous forest site for the degradation of organic polymers and pollutants at low (5 °C) and moderate (20 °C) temperatures was evaluated. The majority of the 68 strains belonged to
Single, binary and multi-component adsorption of copper and cadmium from aqueous solutions on Kraft lignin?a biosorbent
Mohan D, et al.
Journal of Colloid and Interface Science, 297(2), 489-504 (2006)
Yuehui Chen et al.
Bioresource technology, 123, 682-685 (2012-08-28)
This study focused on the biodegradation of kraft lignin (KL) by Novosphingobium sp. B-7 using KL as sole carbon source. Results revealed that Novosphingobium sp. B-7 reduced the chemical oxygen demand (COD) by 34.7% in KL mineral salt medium after
C R Taylor et al.
Journal of applied microbiology, 113(3), 521-530 (2012-05-31)
To develop a method to detect bacteria from environmental samples that are able to metabolize lignin. A previously developed UV-vis assay method for lignin degradation activity has been developed for use as a spray assay on agar plates. Nine mesophilic
Yong Sik Kim et al.
Biomacromolecules, 11(4), 981-988 (2010-03-02)
Copolymerization of N-isopropylacrylamide (NIPAM) with technical hardwood kraft lignin (HWKL) was achieved by atom transfer radical polymerization (ATRP) using a selectively modified lignin-based macroinitiator. The degree of polymerization (DP) of polyNIPAM graft side chains was affected by varying the ratio
Jukka Kukkola et al.
Environmental science and pollution research international, 18(7), 1049-1056 (2011-07-01)
Currently, elemental chlorine-free (ECF) and totally chlorine-free (TCF) bleaching systems are widely used for pulp production. Low and medium molecular weight lignin break-down products are known to have harmful effects on the environment. According to some recent results, also high
Lignin-based carbon fibers: Oxidative thermostabilization of kraft lignin
Braun JL, et al.
Carbon, 43(2), 385-394 (2005)
Adriana L Romero-Olivares et al.
PloS one, 12(6), e0179674-e0179674 (2017-06-18)
Over the long term, soil carbon (C) storage is partly determined by decomposition rate of carbon that is slow to decompose (i.e., recalcitrant C). According to thermodynamic theory, decomposition rates of recalcitrant C might differ from those of non-recalcitrant C
Héctor Rodríguez et al.
Physical chemistry chemical physics : PCCP, 11(46), 10916-10922 (2009-11-20)
We have found that 1-alkyl-3-methylimidazolium chloride ionic liquids (ILs) can form immiscible liquid mixtures with some polyethylene glycols (PEGs). Binary mixtures of 1-ethyl-3-methylimidazolium chloride with PEG of molecular weight 1500, 2000, or 3400 g mol(-1), or of 1-butyl-3-methylimidazolium chloride with
Ronald V Townsend et al.
Frontiers in microbiology, 11, 1732-1732 (2020-08-28)
Dollar spot is caused by the fungus Clarireedia jacksonii and is the most common disease of golf course turfgrass in temperate climates. Oxalic acid (OA) is an important pathogenicity factor in other fungal plant pathogens, such as the dicot pathogen
Mahmoud Mazarji et al.
Environment international, 125, 172-183 (2019-02-05)
In this work, potassium iodide (KI) and graphene oxide (GO) were utilized to promote the selectivity of photocatalytic process for alkali lignin oxidation over ZnO. Different concertation of GO was added during the microwave synthesis procedure of ZnO, and the
Łukasz Klapiszewski et al.
Carbohydrate polymers, 94(1), 345-355 (2013-04-03)
A new method of synthesis of novel composites obtained from silica and Kraft lignin has been proposed. Silica used in the study was obtained by three methods (hydrolysis and condensation of tetraethoxysilane, precipitation in a nonpolar and polar medium with
Pedram Fatehi et al.
Bioresource technology, 131, 308-314 (2013-02-02)
The main objective of this work was to study the adsorption behavior of various components dissolved in the pre-hydrolysis of kraft process on activated carbon. In this work, model prehydrolysis liquor (PHL) solutions (MPHL)s were prepared via mixing various commercially
Hannah L Woo et al.
Standards in genomic sciences, 9, 19-19 (2015-01-08)
In an effort to discover anaerobic bacteria capable of lignin degradation, we isolated Klebsiella sp. strain BRL6-2 on minimal media with alkali lignin as the sole carbon source. This organism was isolated anaerobically from tropical forest soils collected from the
Hengky Harmita et al.
Bioresource technology, 100(24), 6183-6191 (2009-08-01)
The relative metal sorption ability of kraft and organosolv lignins was examined as a function of solution chemistry (pH, ionic strength (I), sorbate-to-sorbent ratio) and reaction time. The surface charge characteristics and functional group composition of these lignins, especially kraft
R Beauchet et al.
Bioresource technology, 121, 328-334 (2012-08-04)
Conversion of lignin into chemicals and biofuels was performed using the commercial Kraft lignin, Indulin AT. Lignin was depolymerised in an aqueous alkaline solution using a continuous flow reactor generating four fractions. First is the gas fraction (mainly CO(2)), the
Hannah L Woo et al.
Systematic and applied microbiology, 37(1), 60-67 (2013-11-19)
Lignocellulolytic bacteria have promised to be a fruitful source of new enzymes for next-generation lignocellulosic biofuel production. Puerto Rican tropical forest soils were targeted because the resident microbes decompose biomass quickly and to near-completion. Isolates were initially screened based on
Holy Ravalason et al.
Bioresource technology, 121, 68-75 (2012-08-03)
Pycnoporus cinnabarinus laccase and a chimeric laccase-CBM were applied in softwood kraft pulp biobleaching in the presence of 1-hydroxybenzotriazole (HBT). The presence of CBM could enhance the laccase biobleaching potential as a decrease in the enzymatic charge and chlorine dioxide
R Taboada-Puig et al.
Applied biochemistry and biotechnology, 169(4), 1262-1278 (2013-01-12)
Enzymatic lignin activation may be an environmentally friendly alternative to the use of chemicals in the production of wood fibers composites. Most studies on enzymatic activation of lignin for improving the adhesion of lignocellulosic products have been carried out using
Luaine Bandounas et al.
BMC biotechnology, 11, 94-94 (2011-10-15)
To expand on the range of products which can be obtained from lignocellulosic biomass, the lignin component should be utilized as feedstock for value-added chemicals such as substituted aromatics, instead of being incinerated for heat and energy. Enzymes could provide
Jing Shen et al.
Bioresource technology, 127, 59-65 (2012-11-08)
To recover dissolved organics in pre-hydrolysis liquor (PHL) of the kraft-based dissolving pulp production process, a new combined process concept of sequential steps of activated carbon adsorption, ion exchange resin treatment, and membrane concentration, was proposed. The removal of lignin
Esmaeil Rasooly Garmaroody et al.
Bioresource technology, 102(5), 4165-4170 (2011-01-15)
Poplar chips were pre-treated by Trametes versicolor for 1, 2 and 3 weeks. Pre-treated chips, after washing, have been air dried for kraft pulping to achieve pulp kappa number of about 20. Pulp samples have been analyzed by Bauer Mc
Diva A Simões Dos Santos et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 47(2), 298-307 (2012-01-17)
Kraft lignin (KL) from industrial pulping of E. globulus wood was subjected to the oxidative modification with the aim to produce sorbent mimicking humic matter for the bioremediation purposes. Lignin was oxidized by polyoxometalate Na(5)[PMo(10)V(2)O(40)] (POM), solely or in the
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